package com.devicehive.service.helpers;

/*
 * #%L
 * DeviceHive Frontend Logic
 * %%
 * Copyright (C) 2016 - 2017 DataArt
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import org.springframework.stereotype.Component;

@Component
public class TimestampLongIdGenerator implements LongIdGenerator {

    private final static int MAX_VALUE = 999;
    private int inc = 0;

    @Override
    public long generate() {
        if (inc > MAX_VALUE) {
            inc = 0;
        }

        return System.currentTimeMillis() * 1000 + inc++;
    }
}
